Home / 109,862.73-151,611.74-64,542.60

Finding the Fourth Proportional to 109,862.73, 151,611.74 and 64,542.60

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Solution

The fourth proportional to 109,862.73, 151,611.74 and 64,542.60 is: 89,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,862.73 : 151,611.74 = 64,542.60 : x
  2. Step 2: Convert to fraction form
    109,862.73/151,611.74 = 64,542.60/x
  3. Step 3: Cross multiply
    109,862.73x = 151,611.74 × 64,542.60
  4. Step 4: Simplify right side
    109,862.73x = 9,785,415,567.41
  5. Step 5: Solve for x
    x = 9,785,415,567.41/109,862.73
  6. Step 6: Final answer
    x = 89,069.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.